April 2023 in “Journal of Investigative Dermatology” New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.
January 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Argan oil-based nano carriers could potentially deliver caffeine to hair follicles to treat hair loss.
January 2013 in “IRIS UNIMORE (University of Modena and Reggio Emilia)” Hydrophobized silica nanoparticles penetrate the skin's outer layer more effectively, while hair follicle density doesn't impact their accumulation.
July 2026 in “International Journal of Drug Delivery Technology” SCLL improves finasteride delivery for better hair growth in treating hair loss.
November 2024 in “Archives of Dermatological Research”
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
405 citations
,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
297 citations
,
December 2005 in “Journal of controlled release” P-SLN nanoparticles effectively deliver podophyllotoxin to the skin.
264 citations
,
January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
221 citations
,
June 1992 in “Proceedings of the National Academy of Sciences” Interleukin 6 may help protect skin without causing inflammation.
211 citations
,
June 2012 The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
205 citations
,
January 2005 in “Skin pharmacology and physiology” Liposomes and niosomes can help drugs penetrate the skin better.
175 citations
,
January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
159 citations
,
July 2014 in “Molecular pharmaceutics” New micelle nanocarriers deliver Tacrolimus more effectively to skin layers for psoriasis treatment than the current Protopic ointment.
156 citations
,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
151 citations
,
November 2018 in “International Journal of Pharmaceutics” Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.
150 citations
,
August 1992 in “Genes & Development” TNF alpha in skin cells causes weight loss, hair and fat issues, and skin inflammation in mice.
122 citations
,
April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
105 citations
,
April 2017 in “International Journal of Nanomedicine” Ethosomes are effective for delivering drugs through the skin by penetrating deeply and targeting hair follicles.
103 citations
,
September 2004 in “Clinics in dermatology” Blocked hair follicles cause acne, and studying tiny early acne spots helps understand its severity.
94 citations
,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
90 citations
,
November 2014 in “Journal of Biomedical Optics” Silver nanoparticles can penetrate porcine skin up to about 15.6 μm, possibly through hair follicles.
87 citations
,
September 2016 in “Journal of Controlled Release” Nanoparticles can improve drug delivery to hair follicles but struggle to penetrate deeper skin layers.
67 citations
,
January 2012 in “Biological and Pharmaceutical Bulletin” Nanoparticles don't penetrate intact skin but can enter through pores or damaged skin.
66 citations
,
February 2002 in “Veterinary dermatology” Malassezia in cat skin biopsies may indicate internal cancer.
64 citations
,
October 2017 in “Colloids and surfaces. B, Biointerfaces” Chitosan-coated nanoparticles can effectively deliver positively charged drugs through the skin using iontophoresis.
62 citations
,
October 2010 in “Journal of biomedical nanotechnology” Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.
62 citations
,
May 1997 in “Journal of Pharmaceutical Sciences” Sebaceous glands in the skin play a key role in absorbing the antiandrogen drug RU 58841, especially when it's encapsulated in liposomes.